Covid-19 vaccine may not work for at-risk older people, say scientists.

https://www.theguardian.com/wo....rld/2020/jun/23/covi

Covid-19 vaccine may not work for at-risk older people, say scientists | World news | The Guardian
www.theguardian.com

Covid-19 vaccine may not work for at-risk older people, say scientists | World news | The Guardian

Lords committee told children may have to be immunised to protect their grandparents